COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Airbus Industrie A319, A320 and A321 Series Aeroplanes AD/A320/26 Amdt 1 Fuel Quantity Probes 7/92 Applicability: All A320 series aircraft without Airbus Industrie modifications 22647 and 22855. Requirement: Action in accordance with Airbus Industrie Service Bulletin A320-28-1040 Revision 1 dated 3 April 1992. Note: DGAC AD 92-048-024(B) refers. Compliance: Prior to 21 February 1993. Background: This Directive requires action to prevent arcing between fuel quantity probes and fuel tank structures in the event of a lightning strike. Amendment 1 is issued to reflect a revision to the Requirement Document.